Walid G. Aref

Affiliations:
  • Purdue University, West Lafayette, USA


According to our database1, Walid G. Aref authored at least 245 papers between 1990 and 2023.

Collaborative distances:

Awards

IEEE Fellow

IEEE Fellow 2018, "For contributions to spatio-temporal database indexing and query processing".

Timeline

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Bibliography

2023
STAR: A Cache-based Stream Warehouse System for Spatial Data.
ACM Trans. Spatial Algorithms Syst., December, 2023

Editorial: Special Issue on the Best Papers from the 2021 ACM SIGSPATIAL Conference.
ACM Trans. Spatial Algorithms Syst., December, 2023

Editorial: Special Issue on the Best Papers from the 2020 ACM SIGSPATIAL Conference.
ACM Trans. Spatial Algorithms Syst., March, 2023

Towards Mobility Data Science (Vision Paper).
CoRR, 2023

An Update-intensive LSM-based R-tree Index.
CoRR, 2023

Tutorial: The Ubiquitous Skiplist, its Variants, and Applications in Modern Big Data Systems.
CoRR, 2023

dLSM: An LSM-Based Index for Memory Disaggregation.
Proceedings of the 39th IEEE International Conference on Data Engineering, 2023

SIMD-ified R-tree Query Processing and Optimization.
Proceedings of the 31st ACM International Conference on Advances in Geographic Information Systems, 2023

2022
Guard: Attack-Resilient Adaptive Load Balancing in Distributed Streaming Systems.
IEEE Trans. Dependable Secur. Comput., 2022

The Case for Distributed Shared-Memory Databases with RDMA-Enabled Memory Disaggregation.
Proc. VLDB Endow., 2022

Mobility Data Science (Dagstuhl Seminar 22021).
Dagstuhl Reports, 2022

ILX: Intelligent "Location+X" Data Systems (Vision Paper).
CoRR, 2022

The "AI + R" - tree: An Instance-optimized R - tree.
Proceedings of the 23rd IEEE International Conference on Mobile Data Management, 2022

2021
SWARM: Adaptive Load Balancing in Distributed Streaming Systems for Big Spatial Data.
ACM Trans. Spatial Algorithms Syst., 2021

Introduction to the Special Section on the Best Papers from the 2019 ACM SIGSPATIAL Conference.
ACM Trans. Spatial Algorithms Syst., 2021

An Experimental Evaluation and Investigation of Waves of Misery in R-trees.
Proc. VLDB Endow., 2021

Horizon: Scalable Dependency-driven Data Cleaning.
Proc. VLDB Endow., 2021

Scalable Relational Query Processing on Big Matrix Data.
CoRR, 2021

The future is big graphs: a community view on graph processing systems.
Commun. ACM, 2021

The LSM RUM-Tree: A Log Structured Merge R-Tree for Update-intensive Spatial Workloads.
Proceedings of the 37th IEEE International Conference on Data Engineering, 2021

STAR: A Cache-based Distributed Warehouse System for Spatial Data Streams.
Proceedings of the SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems, 2021

2020
SSTD: A Distributed System on Streaming Spatio-Textual Data.
Proc. VLDB Endow., 2020

Local trend discovery on real-time microblogs with uncertain locations in tight memory environments.
GeoInformatica, 2020

LocationSpark: In-memory Distributed Spatial Query Processing and Optimization.
Frontiers Big Data, 2020

Shared Execution Techniques for Business Data Analytics over Big Data Streams.
Proceedings of the SSDBM 2020: 32nd International Conference on Scientific and Statistical Database Management, 2020

STAR: A Distributed Stream Warehouse System for Spatial Data.
Proceedings of the 2020 International Conference on Management of Data, 2020

Prompt: Dynamic Data-Partitioning for Distributed Micro-batch Stream Processing Systems.
Proceedings of the 2020 International Conference on Management of Data, 2020

PartLy: learning data partitioning for distributed data stream processing.
Proceedings of the Third International Workshop on Exploiting Artificial Intelligence Techniques for Data Management, 2020

STULL: Unbiased Online Sampling for Visual Exploration of Large Spatiotemporal Data.
Proceedings of the 15th IEEE Conference on Visual Analytics Science and Technology, 2020

TrioStat: Online Workload Estimation in Distributed Spatial Data Streaming Systems.
Proceedings of the SIGSPATIAL '20: 28th International Conference on Advances in Geographic Information Systems, 2020

A Tutorial on Learned Multi-dimensional Indexes.
Proceedings of the SIGSPATIAL '20: 28th International Conference on Advances in Geographic Information Systems, 2020

2019
Scalable Processing of Spatial-Keyword Queries
Synthesis Lectures on Data Management, Morgan & Claypool Publishers, ISBN: 978-3-031-01867-1, 2019

Streaming Big Spatial Data.
Proceedings of the Encyclopedia of Big Data Technologies., 2019

Editorial: Special Issue on the Best Papers from the 2018 ACM SIGSPATIAL Conference.
ACM Trans. Spatial Algorithms Syst., 2019

Introduction to the Special Issue on the Best Papers from the 2017 ACM SIGSPATIAL Conference.
ACM Trans. Spatial Algorithms Syst., 2019

A Privacy Mechanism for Access Controlled Graph Data.
IEEE Trans. Dependable Secur. Comput., 2019

Spatio-temporal access methods: a survey (2010 - 2017).
GeoInformatica, 2019

Towards an End-to-End Human-Centric Data Cleaning Framework.
Proceedings of the Workshop on Human-In-the-Loop Data Analytics, 2019

EXPLAINER: Entity Resolution Explanations.
Proceedings of the 35th IEEE International Conference on Data Engineering, 2019

An Investigation of Grid-enabled Tree Indexes for Spatial Query Processing.
Proceedings of the 27th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2019

2018
Space-Filling Curves for Query Processing.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Space-Filling Curves.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Indexing Historical Spatiotemporal Data.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Indexing with Crowds.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Window-Based Query Processing.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Electronic Ink Indexing.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Disk-Based Indexing of Recent Trajectories.
ACM Trans. Spatial Algorithms Syst., 2018

Efficient Parallel Skyline Query Processing for High-Dimensional Data.
IEEE Trans. Knowl. Data Eng., 2018

COACT: a query interface language for collaborative databases.
Distributed Parallel Databases, 2018

AUDIT: approving and tracking updates with dependencies in collaborative databases.
Distributed Parallel Databases, 2018

Design and Evaluation of A Data Partitioning-Based Intrusion Management Architecture for Database Systems.
CoRR, 2018

SBG-sketch: a self-balanced sketch for labeled-graph stream summarization.
Proceedings of the 30th International Conference on Scientific and Statistical Database Management, 2018

TrueWeb: A Proposal for Scalable Semantically-Guided Data Management and Truth Finding in Heterogeneous Web Sources.
Proceedings of the International Workshop on Semantic Big Data, 2018

SPARTI: Scalable RDF Data Management Using Query-Centric Semantic Partitioning.
Proceedings of the International Workshop on Semantic Big Data, 2018

GRFusion: Graphs as First-Class Citizens in Main-Memory Relational Database Systems.
Proceedings of the 2018 International Conference on Management of Data, 2018

WORQ: Workload-Driven RDF Query Processing.
Proceedings of the Semantic Web - ISWC 2018, 2018

FAST: Frequency-Aware Indexing for Spatio-Textual Data Streams.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

Adaptive processing of spatial-keyword data over a distributed streaming cluster.
Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2018

Extending In-Memory Relational Database Engines with Native Graph Support.
Proceedings of the 21st International Conference on Extending Database Technology, 2018

Leveraging Data Relationships to Resolve Conflicts from Disparate Data Sources.
Proceedings of the Database and Expert Systems Applications, 2018

2017
Spatiotemporal Database.
Proceedings of the Encyclopedia of GIS., 2017

Continuous Queries in Spatio-Temporal Databases.
Proceedings of the Encyclopedia of GIS., 2017

Pattern-Driven Data Cleaning.
CoRR, 2017

Human-Centric Data Cleaning [Vision].
CoRR, 2017

Empowering In-Memory Relational Database Engines with Native Graph Processing.
CoRR, 2017

FAST: Frequency-Aware Spatio-Textual Indexing for In-Memory Continuous Filter Query Processing.
CoRR, 2017

A Survey of Shortest-Path Algorithms.
CoRR, 2017

Query Processing Techniques for Big Spatial-Keyword Data.
Proceedings of the 2017 ACM International Conference on Management of Data, 2017

In-Memory Distributed Matrix Computation Processing and Optimization.
Proceedings of the 33rd IEEE International Conference on Data Engineering, 2017

2016
Similarity Group-by Operators for Multi-Dimensional Relational Data.
IEEE Trans. Knowl. Data Eng., 2016

LocationSpark: A Distributed In-Memory Data Management System for Big Spatial Data.
Proc. VLDB Endow., 2016

Location Data Management: A Tale of Two Systems and the "Next Destination"!
Proc. VLDB Endow., 2016

The similarity-aware relational database set operators.
Inf. Syst., 2016

Spatial computing.
Commun. ACM, 2016

Kangaroo: Workload-Aware Processing of Range Data and Range Queries in Hadoop.
Proceedings of the Ninth ACM International Conference on Web Search and Data Mining, 2016

Graph Indexing for Shortest-Path Finding over Dynamic Sub-Graphs.
Proceedings of the 2016 International Conference on Management of Data, 2016

ORLF: A flexible framework for online record linkage and fusion.
Proceedings of the 32nd IEEE International Conference on Data Engineering, 2016

Cruncher: Distributed in-memory processing for location-based services.
Proceedings of the 32nd IEEE International Conference on Data Engineering, 2016

Atlas: on the expression of spatial-keyword group queries using extended relational constructs.
Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, GIS 2016, Burlingame, California, USA, October 31, 2016

GeoTrend: spatial trending queries on real-time microblogs.
Proceedings of the 24th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, GIS 2016, Burlingame, California, USA, October 31, 2016

2015
Precision-Bounded Access Control Using Sliding-Window Query Views for Privacy-Preserving Data Streams.
IEEE Trans. Knowl. Data Eng., 2015

Tornado: A Distributed Spatio-Textual Stream Processing System.
Proc. VLDB Endow., 2015

AQWA: Adaptive Query-Workload-Aware Partitioning of Big Spatial Data.
Proc. VLDB Endow., 2015

A Demonstration of AQWA: Adaptive Query-Workload-Aware Partitioning of Big Spatial Data.
Proc. VLDB Endow., 2015

GenoBase: comprehensive resource database of <i>Escherichia coli</i> K-12.
Nucleic Acids Res., 2015

From GPS and virtual globes to spatial computing - 2020.
GeoInformatica, 2015

Approving Updates in Collaborative Databases.
Proceedings of the 2015 IEEE International Conference on Cloud Engineering, 2015

LIMO: learning programming using interactive map activities.
Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2015

Geo-tagging non-spatial concepts.
Proceedings of the 4th ACM SIGSPATIAL International Workshop on Mobile Geographic Information Systems, 2015

On map-centric programming environments: vision paper.
Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2015

Spatial queries with k-nearest-neighbor and relational predicates.
Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2015

Efficient Processing of Hamming-Distance-Based Similarity-Search Queries Over MapReduce.
Proceedings of the 18th International Conference on Extending Database Technology, 2015

Cost Estimation of Spatial k-Nearest-Neighbor Operators.
Proceedings of the 18th International Conference on Extending Database Technology, 2015

2014
Accuracy-Constrained Privacy-Preserving Access Control Mechanismfor Relational Data.
IEEE Trans. Knowl. Data Eng., 2014

HandsOn DB: Managing Data Dependencies Involving Human Actions.
IEEE Trans. Knowl. Data Eng., 2014

On Order-independent Semantics of the Similarity Group-By Relational Database Operator.
CoRR, 2014

The Similarity-Aware Relational Intersect Database Operator.
Proceedings of the Similarity Search and Applications - 7th International Conference, 2014

Indexing recent trajectories of moving objects.
Proceedings of the 22nd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2014

JISC: Adaptive Stream Processing Using Just-In-Time State Completion.
Proceedings of the 17th International Conference on Extending Database Technology, 2014

2013
Similarity queries: their conceptual evaluation, transformations, and processing.
VLDB J., 2013

Continuous aggregate nearest neighbor queries.
GeoInformatica, 2013

The Palm-tree Index: Indexing with the crowd.
Proceedings of the First VLDB Workshop on Databases and Crowdsourcing, 2013

Knowledge cubes - A proposal for scalable and semantically-guided management of Big Data.
Proceedings of the 2013 IEEE International Conference on Big Data (IEEE BigData 2013), 2013

2012
A Distributed Access Control Architecture for Cloud Computing.
IEEE Softw., 2012

Spatial Queries with Two kNN Predicates.
Proc. VLDB Endow., 2012

M3: Stream Processing on Main-Memory MapReduce.
Proceedings of the IEEE 28th International Conference on Data Engineering (ICDE 2012), 2012

Message from the Program Chairs.
Proceedings of the 2012 International Conference on Connected Vehicles and Expo, 2012

2011
Irregularity in high-dimensional space-filling curves.
Distributed Parallel Databases, 2011

2010
Supporting views in data stream management systems.
ACM Trans. Database Syst., 2010

Spatio-Temporal Access Methods: Part 2 (2003 - 2010).
IEEE Data Eng. Bull., 2010

SimDB: a similarity-aware database system.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2010

The similarity join database operator.
Proceedings of the 26th International Conference on Data Engineering, 2010

Supporting real-world activities in database management systems.
Proceedings of the 26th International Conference on Data Engineering, 2010

A database server for next-generation scientific data management.
Proceedings of the Workshops Proceedings of the 26th International Conference on Data Engineering, 2010

2009
Space-Filling Curves for Query Processing.
Proceedings of the Encyclopedia of Database Systems, 2009

Space-Filling Curves.
Proceedings of the Encyclopedia of Database Systems, 2009

Indexing Historical Spatio-Temporal Data.
Proceedings of the Encyclopedia of Database Systems, 2009

Window-based Query Processing.
Proceedings of the Encyclopedia of Database Systems, 2009

Electronic Ink Indexing.
Proceedings of the Encyclopedia of Database Systems, 2009

The RUM-tree: supporting frequent updates in R-trees using memos.
VLDB J., 2009

Casper*: Query processing for location services without compromising privacy.
ACM Trans. Database Syst., 2009

Online Piece-wise Linear Approximation of Numerical Streams with Precision Guarantees.
Proc. VLDB Endow., 2009

Similarity-aware Query Processing and Optimization.
Proceedings of the VLDB 2009 PhD Workshop. Co-located with the 35th International Conference on Very Large Data Bases (VLDB 2009). Lyon, 2009

Similarity Group-By.
Proceedings of the 25th International Conference on Data Engineering, 2009

Hippocratic PostgreSQL.
Proceedings of the 25th International Conference on Data Engineering, 2009

Chameleon: Context-Awareness inside DBMSs.
Proceedings of the 25th International Conference on Data Engineering, 2009

Multi-dimensional phenomenon-aware stream query processing.
Proceedings of the 17th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, 2009

Location-aware privacy and more: a systems approach using context-aware database management systems.
Proceedings of the 2nd SIGSPATIAL ACM GIS 2009 International Workshop on Security and Privacy in GIS and LBS, 2009

Exploiting similarity-aware grouping in decision support systems.
Proceedings of the EDBT 2009, 2009

Supporting annotations on relations.
Proceedings of the EDBT 2009, 2009

Workshop Organizers' Message.
Proceedings of the Database Systems for Advanced Applications, 2009

2008
Spatio-temporal Database.
Proceedings of the Encyclopedia of GIS., 2008

Continuous Queries in Spatio-temporal Databases.
Proceedings of the Encyclopedia of GIS., 2008

Space-Filling Curves.
Proceedings of the Encyclopedia of GIS., 2008

SOLE: scalable on-line execution of continuous queries on spatio-temporal data streams.
VLDB J., 2008

Query processing of multi-way stream window joins.
VLDB J., 2008

Data management challenges for computational transportation.
Proceedings of the 5th Annual International Conference on Mobile and Ubiquitous Systems: Computing, 2008

Managing Biological Data using BDBMS.
Proceedings of the 24th International Conference on Data Engineering, 2008

The SBC-tree: an index for run-length compressed sequences.
Proceedings of the EDBT 2008, 2008

2007
Incremental Evaluation of Sliding-Window Queries over Data Streams.
IEEE Trans. Knowl. Data Eng., 2007

Efficient query execution on broadcasted index tree structures.
Data Knowl. Eng., 2007

Duplicate Elimination in Space-partitioning Tree Indexes.
Proceedings of the 19th International Conference on Scientific and Statistical Database Management, 2007

Place: A Distributed Spatio-Temporal Data Stream Management System for Moving Objects.
Proceedings of the 8th International Conference on Mobile Data Management (MDM 2007), 2007

Location-Aware Query Processing and Optimization.
Proceedings of the 8th International Conference on Mobile Data Management (MDM 2007), 2007

Phenomenon-Aware Stream Query Processing.
Proceedings of the 8th International Conference on Mobile Data Management (MDM 2007), 2007

The New Casper: A Privacy-Aware Location-Based Database Server.
Proceedings of the 23rd International Conference on Data Engineering, 2007

Realizing Privacy-Preserving Features in Hippocratic Databases.
Proceedings of the 23rd International Conference on Data Engineering Workshops, 2007

Pipelined spatial join processing for quadtree-based indexes.
Proceedings of the 15th ACM International Symposium on Geographic Information Systems, 2007

bdbms - A Database Management System for Biological Data.
Proceedings of the Third Biennial Conference on Innovative Data Systems Research, 2007

2006
Adaptive rank-aware query optimization in relational databases.
ACM Trans. Database Syst., 2006

Exploiting predicate-window semantics over data streams.
SIGMOD Rec., 2006

The New Casper: Query Processing for Location Services without Compromising Privacy.
Proceedings of the 32nd International Conference on Very Large Data Bases, 2006

Discovering Consensus Patterns in Biological Databases.
Proceedings of the Data Mining and Bioinformatics, First International Workshop, 2006

Scalability Management in Sensor-Network PhenomenaBases.
Proceedings of the 18th International Conference on Scientific and Statistical Database Management, 2006

Challenges in spatiotemporal stream query optimization.
Proceedings of the Fifth ACM International Workshop on Data Engineering for Wireless and Mobile Access, 2006

LUGrid: Update-tolerant Grid-based Indexing for Moving Objects.
Proceedings of the 7th International Conference on Mobile Data Management (MDM 2006), 2006

STAGGER: Periodicity Mining of Data Streams Using Expanding Sliding Windows.
Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 2006), 2006

R-trees with Update Memos.
Proceedings of the 22nd International Conference on Data Engineering, 2006

Space-Partitioning Trees in PostgreSQL: Realization and Performance.
Proceedings of the 22nd International Conference on Data Engineering, 2006

2005
Periodicity Detection in Time Series Databases.
IEEE Trans. Knowl. Data Eng., 2005

The Indiana Center for Database Systems at Purdue University.
SIGMOD Rec., 2005

Continuous Query Processing of Spatio-Temporal Data Streams in PLACE.
GeoInformatica, 2005

PLACE: A Scalable Location-aware Database Server for Spatio-temporal Data Streams.
IEEE Data Eng. Bull., 2005

NILE-PDT: A Phenomenon Detection and Tracking Framework for Data Stream Management Systems.
Proceedings of the 31st International Conference on Very Large Data Bases, Trondheim, Norway, August 30, 2005

Optimizing In-Order Execution of Continuous Queries over Streamed Sensor Data.
Proceedings of the 17th International Conference on Scientific and Statistical Database Management, 2005

Detection and Tracking of Discrete Phenomena in Sensor-Network Databases.
Proceedings of the 17th International Conference on Scientific and Statistical Database Management, 2005

Spatio-temporal Histograms.
Proceedings of the Advances in Spatial and Temporal Databases, 9th International Symposium, 2005

SPASS: scalable and energy-efficient data acquisition in sensor databases.
Proceedings of the 4th ACM International Workshop on Data Engineering for Wireless and Mobile Access, 2005

GPAC: generic and progressive processing of mobile queries over mobile data.
Proceedings of the 6th International Conference on Mobile Data Management (MDM 2005), 2005

WARP: Time Warping for Periodicity Detection.
Proceedings of the 5th IEEE International Conference on Data Mining (ICDM 2005), 2005

SEA-CNN: Scalable Processing of Continuous K-Nearest Neighbor Queries in Spatio-temporal Databases.
Proceedings of the 21st International Conference on Data Engineering, 2005

Rank-Aware Query Processing and Optimization.
Proceedings of the 21st International Conference on Data Engineering, 2005

2004
Supporting top-k join queries in relational databases.
VLDB J., 2004

ClassView: hierarchical video shot classification, indexing, and accessing.
IEEE Trans. Multim., 2004

Incremental, Online, and Merge Mining of Partial Periodic Patterns in Time-Series Databases.
IEEE Trans. Knowl. Data Eng., 2004

Exploring video content structure for hierarchical summarization.
Multim. Syst., 2004

VDBMS: A testbed facility for research in video database benchmarking.
Multim. Syst., 2004

Databases Deepen the Web.
Computer, 2004

PLACE: A Query Processor for Handling Real-time Spatio-temporal Data Streams.
Proceedings of the (e)Proceedings of the Thirtieth International Conference on Very Large Data Bases, VLDB 2004, Toronto, Canada, August 31, 2004

Scalable Spatio-temporal Continuous Query Processing for Location-aware Services.
Proceedings of the 16th International Conference on Scientific and Statistical Database Management (SSDBM 2004), 2004

SINA: Scalable Incremental Processing of Continuous Queries in Spatio-temporal Databases.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2004

Rank-aware Query Optimization.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2004

Hash-Merge Join: A Non-blocking Join Algorithm for Producing Fast and Early Join Results.
Proceedings of the 20th International Conference on Data Engineering, 2004

Scalable Multimedia Disk Scheduling.
Proceedings of the 20th International Conference on Data Engineering, 2004

Nile: A Query Processing Engine for Data Streams.
Proceedings of the 20th International Conference on Data Engineering, 2004

Bulk Operations for Space-Partitioning Trees.
Proceedings of the 20th International Conference on Data Engineering, 2004

Using Convolution to Mine Obscure Periodic Patterns in One Pass.
Proceedings of the Advances in Database Technology, 2004

2003
Analysis of Multi-Dimensional Space-Filling Curves.
GeoInformatica, 2003

Spatio-Temporal Access Methods.
IEEE Data Eng. Bull., 2003

Scheduling for shared window joins over data streams.
Proceedings of 29th International Conference on Very Large Data Bases, 2003

Stream Window Join: Tracking Moving Objects in Sensor-Network Databases.
Proceedings of the 15th International Conference on Scientific and Statistical Database Management (SSDBM 2003), 2003

On Querz Processing and Optimality Using Spectral Locality-Preserving Mappings.
Proceedings of the Advances in Spatial and Temporal Databases, 8th International Symposium, 2003

Video query processing in the VDBMS testbed for video database research.
Proceedings of the First ACM International Workshop on Multimedia Databases, 2003

Medical Video Mining for Efficient Database Indexing, Management and Access.
Proceedings of the 19th International Conference on Data Engineering, 2003

Spectral LPM: An Optimal Locality-Preserving Mapping using the Spectral (not Fractal) Order.
Proceedings of the 19th International Conference on Data Engineering, 2003

Towards scalable location-aware services: requirements and research issues.
Proceedings of the ACM-GIS 2003, 2003

2002
Security and Privacy Challenges of a Digital Government.
Proceedings of the Advances in Digital Government - Technology, Human Factors, and Policy, 2002

Query Indexing and Velocity Constrained Indexing: Scalable Techniques for Continuous Queries on Moving Objects.
IEEE Trans. Computers, 2002

Smart VideoText: a video data model based on conceptual graphs.
Multim. Syst., 2002

Joining Ranked Inputs in Practice.
Proceedings of 28th International Conference on Very Large Data Bases, 2002

Hierarchical video summarization for medical data.
Proceedings of the Storage and Retrieval for Media Databases 2002, 2002

On the Discovery of Weak Periodicities in Large Time Series.
Proceedings of the Principles of Data Mining and Knowledge Discovery, 2002

A Video Database Management System for Advancing Video Database Research.
Proceedings of the MIS 2002, International Workshop on Multimedia Information Systems, October 10, 2002

Scalable QoS-Aware Disk-Scheduling.
Proceedings of the International Database Engineering & Applications Symposium, 2002

Search-based buffer management policies for streaming in continuous media servers.
Proceedings of the 2002 IEEE International Conference on Multimedia and Expo, 2002

A Distributed Database Server for Continuous Media.
Proceedings of the 18th International Conference on Data Engineering, San Jose, CA, USA, February 26, 2002

Performance of multi-dimensional space-filling curves.
Proceedings of the ACM-GIS 2002, 2002

Multiple and Partial Periodicity Mining in Time Series Databases.
Proceedings of the 15th European Conference on Artificial Intelligence, 2002

ClassMiner: Mining Medical Video Content Structure and Events Towards Efficient Access and Scalable Skimming.
Proceedings of the 2002 ACM SIGMOD Workshop on Research Issues in Data Mining and Knowledge Discovery, 2002

Efficient Evaluation of Continuous Range Queries on Moving Objects.
Proceedings of the Database and Expert Systems Applications, 13th International Conference, 2002

2001
Disk Scheduling in Video Editing Systems.
IEEE Trans. Knowl. Data Eng., 2001

Automatic image segmentation by integrating color-edge extraction and seeded region growing.
IEEE Trans. Image Process., 2001

An improved automatic isotropic color edge detection technique.
Pattern Recognit. Lett., 2001

SP-GiST: An Extensible Database Index for Supporting Space Partitioning Trees.
J. Intell. Inf. Syst., 2001

MultiView: Multilevel video content representation and retrieval.
J. Electronic Imaging, 2001

Window Query Processing in Linear Quadtrees.
Distributed Parallel Databases, 2001

Distributed web-based framework for real-time multimedia object communication.
Comput. Syst. Sci. Eng., 2001

Digital Government Security Infrastructure Design Challenges.
Computer, 2001

Security models for web-based applications.
Commun. ACM, 2001

An Extensible Index for Spatial Databases.
Proceedings of the 13th International Conference on Scientific and Statistical Database Management, 2001

Query Processing in Broadcasted Spatial Index Trees.
Proceedings of the Advances in Spatial and Temporal Databases, 7th International Symposium, 2001

Irregularity in Multi-Dimensional Space-Filling Curves with Applications in Multimedia Databases.
Proceedings of the 2001 ACM CIKM International Conference on Information and Knowledge Management, 2001

2000
Adaptive motion-compensated video coding scheme towards content-based bit rate allocation.
J. Electronic Imaging, 2000

Distributed Framework for Real-Time Multimedia Object Communication.
Proceedings of the 3rd International Symposium on Object-Oriented Real-Time Distributed Computing (ISORC 2000), 2000

On Multi-dimensional Sorting Orders.
Proceedings of the Database and Expert Systems Applications, 11th International Conference, 2000

An Access Control Model for Video Database Systems.
Proceedings of the 2000 ACM CIKM International Conference on Information and Knowledge Management, 2000

1999
Supporting Electronic Ink Databases.
Inf. Syst., 1999

Autonomous Disks: The Building Block for a Scalable Distributed File System.
Proceedings of the MIS '99, 1999

On Local Heuristics to Speed Up Polygon-Polygon Intersection Tests.
Proceedings of the ACM-GIS '99, 1999

1997
Efficient Window Block Retrieval in Quadtree-Based Spatial Databases.
GeoInformatica, 1997

1996
Cascaded Spatial Join Algorithms with Spatially Sorted Output.
Proceedings of the GIS '96, 1996

Ink as a First-Class Datatype in Multimedia Databases.
Proceedings of the Multimedia Database System: Issues and Research Direction, 1996

1995
On Handling Electronic Ink.
ACM Comput. Surv., 1995

An Algorithm for Perspective Viewing of Objects Represented by Octrees.
Comput. Graph. Forum, 1995

The Handwritten Trie: Indexing Electronic Ink.
Proceedings of the 1995 ACM SIGMOD International Conference on Management of Data, 1995

Efficient Processing of Proximity Queries for Large Databases.
Proceedings of the Eleventh International Conference on Data Engineering, 1995

A Window Retrieval Algorithm for Spatial Databases Using Quadtrees.
Proceedings of the 3rd ACM International Workshop on Advances in Geographic Information Systems, 1995

Spatial Data Models and Query Processing.
Proceedings of the Modern Database Systems: The Object Model, 1995

1994
A Cost Model for Query Optimization Using R-Trees.
Proceedings of the Second ACM Workshop on Advances in Geographic Information Systems, 1994

Hashing by Proximity to Process Duplicates in Spatial Databases.
Proceedings of the Third International Conference on Information and Knowledge Management (CIKM'94), Gaithersburg, Maryland, USA, November 29, 1994

1993
Decomposing a Window into Maximal Quadtree Blocks.
Acta Informatica, 1993

Estimating Selectivity Factors of Spatial Operations.
Proceedings of the Fifth Workshop on Foundations of Models and Languages for Data and Objects, 1993

1991
Optimization for Spatial Query Processing.
Proceedings of the 17th International Conference on Very Large Data Bases, 1991

Extending a DBMS with Spatial Operations.
Proceedings of the Advances in Spatial Databases, 1991

1990
Efficient Processing of Window Queries in The Pyramid Data Structure.
Proceedings of the Ninth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 1990


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